From a6d0d9b04f886af95c903e9a624893dab7e45758 Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveth@foxmail.com>
Date: Sun, 23 Nov 2025 02:24:23 +0800
Subject: [PATCH] fix a bug

---
 src/modules/array2d.c | 10 ++++++++--
 src/modules/vmath.c   |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/modules/array2d.c b/src/modules/array2d.c
index 27c325f1..70e82111 100644
--- a/src/modules/array2d.c
+++ b/src/modules/array2d.c
@@ -143,6 +143,8 @@ static bool array2d_like_render(int argc, py_Ref argv) {
     return true;
 }
 
+void c11_color32_premult(c11_color32* color);
+
 static bool array2d_like_render_with_color(int argc, py_Ref argv) {
     PY_CHECK_ARGC(3);
     c11_sbuf buf;
@@ -193,10 +195,14 @@ static bool array2d_like_render_with_color(int argc, py_Ref argv) {
                 if(curr_fg.u32 != 0 || curr_bg.u32 != 0) c11_sbuf__write_cstr(&buf, "\x1b[0m");
                 curr_fg = new_fg;
                 curr_bg = new_bg;
-                if(curr_fg.u32 != 0)
+                if(curr_fg.u32 != 0) {
+                    c11_color32_premult(&curr_fg);
                     pk_sprintf(&buf, "\x1b[38;2;%d;%d;%dm", curr_fg.r, curr_fg.g, curr_fg.b);
-                if(curr_bg.u32 != 0)
+                }
+                if(curr_bg.u32 != 0) {
+                    c11_color32_premult(&curr_bg);
                     pk_sprintf(&buf, "\x1b[48;2;%d;%d;%dm", curr_bg.r, curr_bg.g, curr_bg.b);
+                }
             }
 
             c11_sbuf__write_sv(&buf, py_tosv(py_retval()));
diff --git a/src/modules/vmath.c b/src/modules/vmath.c
index cec6bb65..fdd6998e 100644
--- a/src/modules/vmath.c
+++ b/src/modules/vmath.c
@@ -944,7 +944,7 @@ static bool color32_to_hex(int argc, py_Ref argv) {
     return true;
 }
 
-static void c11_color32_premult(c11_color32* color) {
+void c11_color32_premult(c11_color32* color) {
     if(color->a == 255) return;
     float alpha = color->a / 255.0f;
     color->r = (unsigned char)(color->r * alpha);